*{
    margin: 0;
    padding: 0;
}
html{
    font-size: 1px;
}
body{
    background-color: black;
    color: white;
    font-family: 'Kanit', sans-serif;
    font-size: 16rem;
}
/*-- ------------------------------------------------------------------------ --*/
#zegar{
    float: right;
    margin-right: 20px;
}
#main-description{
    text-align: center;
    font-size: 22rem;
    margin-top: 20px;
}
#main-description2{
    text-align: right;
    margin-right: 22px;
}
/*-- ------------------------------------------------------------------------ --*/
.main-box{
    width: 70%;
    height: auto;
    padding-left: 15%;
    padding-right: 15%;
    overflow: auto;
}
.content-box{
    float: left;
    width: 50%;
    height: auto;
}
.content-box-2{
    float: left;
    width: 50%;
    height: auto;
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}
.underline-border{
    border-bottom: 2px;
    border-top: 0px;
    border-left: 0px;
    border-right: 0px;
    border-style: dotted;
    border-color: white;
    margin-left: 15%;
    margin-right: 15%;
    margin-bottom: 20px;
    margin-top: 20px;
}
.underline-zone{
    padding-bottom: 30px;
}
.download-image{
    width: 70px;
    height: 70px;
    display: block;
    float: right;
}
/*-- ------------------------------------------------------------------------ --*/
header{
    width: auto;
    height: auto;
    overflow: auto;
    border: 0px;
    
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
span{
    color: dodgerblue;
}
span2{
    color: lightslategrey;
}
a{
    border: 0px;
    float: left;
    outline: none;
}
header > a:link{
    color: mediumpurple;
    padding: 10px; 
    display: block;
    text-decoration: none;
}
header > a:visited{
    color: mediumpurple;
}
header > a:hover{
    color: darkorange;
}
h1{
    text-align: center;
    color: dodgerblue;
    padding-bottom: 35px;
    padding-top: 10px;
}
/*-- ------------------------------------------------------------------------ --*/
@media (max-width: 720px){
    html{
        font-size: 0.8;
    }
}
@media (max-width: 400px){
    .main-box{
        width: 90%;
        padding-left: 5%;
        padding-right: 5%;
    }
}